The group's leaders insist the movement is bigger than any one lawmaker. Critics say Republican voters already delivered their verdict.

Keaton Shaffer has joined the staff of The Frontier this summer as an intern focused on social media and video. Shaffer is a ...

Oklahoma restricts oil field wastewater injection within a half-mile of public water wells. Regulators have let companies do ...

Our reporters won first-place honors in three categories for reporting on oil and gas pollution in the state and hazardous ...

A growing number of women are facing criminal charges for substance use during pregnancy in Oklahoma. Experts and health care providers say that’s bad for moms and babies. Brittney Poolaw brushed away ...

After Brian Bonner died from a treatable illness in Tulsa’s city jail, records reveal a pattern of preventable deaths and ignored warnings. This story was originally reported and published by The ...

A wave of big data centers is triggering a scramble for new electricity generation. OG&E and PSO are pushing to charge ratepayers more as they race to keep up. Construction has begun on the Project ...

Wash Hudson decided to do the unthinkable, despite the racial tension. Instead of backing away from the Klan, he, along with several important Tulsans, decided to make it official. The 1921 Tulsa Race ...

The Frontier found the Oklahoma State Treasurer’s office applied criteria for blacklisting companies inconsistently, leaving some firms claiming they have been arbitrarily and wrongly banned from ...